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Finding the Fourth Proportional to 104,048.64, 143,570.88 and 59,328

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Solution

The fourth proportional to 104,048.64, 143,570.88 and 59,328 is: 81,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,048.64 : 143,570.88 = 59,328 : x
  2. Step 2: Convert to fraction form
    104,048.64/143,570.88 = 59,328/x
  3. Step 3: Cross multiply
    104,048.64x = 143,570.88 × 59,328
  4. Step 4: Simplify right side
    104,048.64x = 8,517,773,168.64
  5. Step 5: Solve for x
    x = 8,517,773,168.64/104,048.64
  6. Step 6: Final answer
    x = 81,863.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.